.demo-block-control {
  background-color: rgb(255,255,255);
  border-bottom-left-radius: 4px;
  border-bottom-right-radius: 4px;
  border-top-color: rgb(234,238,251);
  border-top-style: solid;
  border-top-width: 1px;
  box-sizing: border-box;
  color: rgb(211,20,230);
  cursor: pointer;
  display: block;
  font-family: "Helvetica Neue", Helvetica, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "微软雅黑", Arial, sans-serif;
  font-weight: 400;
  height: 44px;
  left: 0px;
  margin-top: -1px;
  position: relative;
  text-align: center;
  width: 100%;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: rgba(0,0,0,0);
}
.el-icon-caret-bottom{
  color: rgb(211,220,230);
  cursor: pointer;
  display: inline-block;
  font-family: element-icons;
  font-size: 16px;
  font-style: normal;
  font-variant-caps: normal;
  font-variant-east-asian: normal;
  font-variant-ligatures: normal;
  font-variant-numeric: normal;
  font-weight: 400;
  height: 44px;
  line-height: 44px;
  speak: none;
  text-align: center;
  text-transform: none;
  transition-delay: 0s;
  transition-duration: 0.3s;
  transition-property: all;
  transition-timing-function: ease;
  vertical-align: baseline;
  width: 16px;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: rgba(0,0,0,0);
}
